diff options
author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-01-24 14:59:51 +0100 |
---|---|---|
committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-03-29 13:06:12 +0000 |
commit | ff8d9ad5bcae7c29a49ed895dbfcf49061aaed39 (patch) | |
tree | 2cf54380ac0760cdb7cacd05bbebb80e93492c53 /src/gui/painting | |
parent | 1a707be8b4a8e3cb2878cb18ce76c54f9fad9b28 (diff) |
Speculative fix for building on INTEGRITY with ARM NEON
Avoid using inline assembler
Task-number: QTBUG-72716
Change-Id: I696efb5a787416eb4fc5ba3a250461aaa9a4afc2
Reviewed-by: Janne Koskinen <janne.p.koskinen@qt.io>
Diffstat (limited to 'src/gui/painting')
-rw-r--r-- | src/gui/painting/painting.pri | 6 | ||||
-rw-r--r-- | src/gui/painting/qdrawhelper_neon.cpp | 41 |
2 files changed, 30 insertions, 17 deletions
diff --git a/src/gui/painting/painting.pri b/src/gui/painting/painting.pri index c3585a4647..a90abed4c0 100644 --- a/src/gui/painting/painting.pri +++ b/src/gui/painting/painting.pri @@ -131,9 +131,11 @@ ARCH_HASWELL_SOURCES += painting/qdrawhelper_avx2.cpp NEON_SOURCES += painting/qdrawhelper_neon.cpp painting/qimagescale_neon.cpp NEON_HEADERS += painting/qdrawhelper_neon_p.h -NEON_ASM += ../3rdparty/pixman/pixman-arm-neon-asm.S painting/qdrawhelper_neon_asm.S !uikit:!win32:contains(QT_ARCH, "arm"): CONFIG += no_clang_integrated_as -!uikit:!win32:!contains(QT_ARCH, "arm64"): DEFINES += ENABLE_PIXMAN_DRAWHELPERS +!uikit:!win32:!integrity:!contains(QT_ARCH, "arm64") { + NEON_ASM += ../3rdparty/pixman/pixman-arm-neon-asm.S painting/qdrawhelper_neon_asm.S + DEFINES += ENABLE_PIXMAN_DRAWHELPERS +} MIPS_DSP_SOURCES += painting/qdrawhelper_mips_dsp.cpp MIPS_DSP_HEADERS += painting/qdrawhelper_mips_dsp_p.h painting/qt_mips_asm_dsp_p.h diff --git a/src/gui/painting/qdrawhelper_neon.cpp b/src/gui/painting/qdrawhelper_neon.cpp index 629dfe2358..3fbd651f96 100644 --- a/src/gui/painting/qdrawhelper_neon.cpp +++ b/src/gui/painting/qdrawhelper_neon.cpp @@ -50,7 +50,18 @@ QT_BEGIN_NAMESPACE void qt_memfill32(quint32 *dest, quint32 value, int count) { const int epilogueSize = count % 16; -#if !defined(Q_PROCESSOR_ARM_64) +#if defined(Q_CC_GHS) || defined(Q_CC_MSVC) + // inline assembler free version: + if (count >= 16) { + quint32 *const neonEnd = dest + count - epilogueSize; + const uint32x4_t valueVector1 = vdupq_n_u32(value); + const uint32x4x4_t valueVector4 = { valueVector1, valueVector1, valueVector1, valueVector1 }; + do { + vst4q_u32(dest, valueVector4); + dest += 16; + } while (dest != neonEnd); + } +#elif !defined(Q_PROCESSOR_ARM_64) if (count >= 16) { quint32 *const neonEnd = dest + count - epilogueSize; register uint32x4_t valueVector1 asm ("q0") = vdupq_n_u32(value); @@ -84,20 +95,20 @@ void qt_memfill32(quint32 *dest, quint32 value, int count) switch (epilogueSize) { - case 15: *dest++ = value; - case 14: *dest++ = value; - case 13: *dest++ = value; - case 12: *dest++ = value; - case 11: *dest++ = value; - case 10: *dest++ = value; - case 9: *dest++ = value; - case 8: *dest++ = value; - case 7: *dest++ = value; - case 6: *dest++ = value; - case 5: *dest++ = value; - case 4: *dest++ = value; - case 3: *dest++ = value; - case 2: *dest++ = value; + case 15: *dest++ = value; Q_FALLTHROUGH(); + case 14: *dest++ = value; Q_FALLTHROUGH(); + case 13: *dest++ = value; Q_FALLTHROUGH(); + case 12: *dest++ = value; Q_FALLTHROUGH(); + case 11: *dest++ = value; Q_FALLTHROUGH(); + case 10: *dest++ = value; Q_FALLTHROUGH(); + case 9: *dest++ = value; Q_FALLTHROUGH(); + case 8: *dest++ = value; Q_FALLTHROUGH(); + case 7: *dest++ = value; Q_FALLTHROUGH(); + case 6: *dest++ = value; Q_FALLTHROUGH(); + case 5: *dest++ = value; Q_FALLTHROUGH(); + case 4: *dest++ = value; Q_FALLTHROUGH(); + case 3: *dest++ = value; Q_FALLTHROUGH(); + case 2: *dest++ = value; Q_FALLTHROUGH(); case 1: *dest++ = value; } } |